28878304

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 71801856

約数和(自身を除く): 42923552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 211, 224, 329, 364, 376, 416, 422, 611, 658, 728, 752, 844, 1222, 1316, 1456, 1477, 1504, 1688, 2444, 2632, 2743, 2912, 2954, 3376, 4277, 4888, 5264, 5486, 5908, 6752, 8554, 9776, 9917, 10528, 10972, 11816, 17108, 19201, 19552, 19834, 21944, 23632, 34216, 38402, 39668, 43888, 47264, 68432, 69419, 76804, 79336, 87776, 128921, 136864, 138838, 153608, 158672, 257842, 277676, 307216, 317344, 515684, 555352, 614432, 902447, 1031368, 1110704, 1804894, 2062736, 2221408, 3609788, 4125472, 7219576, 14439152, 28878304]

約数ペア:

[(1, 28878304), (2, 14439152), (4, 7219576), (7, 4125472), (8, 3609788), (13, 2221408), (14, 2062736), (16, 1804894), (26, 1110704), (28, 1031368), (32, 902447), (47, 614432), (52, 555352), (56, 515684), (91, 317344), (94, 307216), (104, 277676), (112, 257842), (182, 158672), (188, 153608), (208, 138838), (211, 136864), (224, 128921), (329, 87776), (364, 79336), (376, 76804), (416, 69419), (422, 68432), (611, 47264), (658, 43888), (728, 39668), (752, 38402), (844, 34216), (1222, 23632), (1316, 21944), (1456, 19834), (1477, 19552), (1504, 19201), (1688, 17108), (2444, 11816), (2632, 10972), (2743, 10528), (2912, 9917), (2954, 9776), (3376, 8554), (4277, 6752), (4888, 5908), (5264, 5486)]